CN213359730U

CN213359730U - Compression spring for automobile

Info

Publication number: CN213359730U
Application number: CN202022143762.0U
Authority: CN
Inventors: 潘芳来; 梅伟; 鲁本
Original assignee: Kunshan Laibikang Spring Co ltd
Current assignee: Kunshan Laibikang Spring Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-04
Anticipated expiration: 2030-09-26

Abstract

The application relates to a compression spring for an automobile, which relates to the field of automobile parts and comprises a body, wherein connecting columns are fixedly connected to two ends of the body, mounting columns are arranged at the ends, away from the body, of the connecting columns, assembling blocks are fixedly connected to the ends, away from the connecting columns, of the mounting columns, and the mounting columns are provided with jacks with one open ends; the periphery wall fixedly connected with fixed block of spliced pole, the jack in the internal perisporium of opening part seted up with the draw-in groove of fixed block adaptation, the erection column in the internal perisporium of jack seted up with the ring channel of draw-in groove intercommunication, the erection column be provided with the fixed block in the fixed mounting of erection column circumference, the erection column is provided with and is used for the buffering the bolster of spliced pole. This application is fixed in the erection column with fixed block and spliced pole through setting up the bolt, and it is high to have improved body both ends joint strength, has the effect that improves body quality increase of service life.

Description

Compression spring for automobile

Technical Field

The application relates to the field of automobile parts, in particular to a compression spring for an automobile.

Background

At present, springs are widely applied to the automobile industry, and the springs are mechanical parts which work by utilizing elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. A tailgate spring, which is one type of spring on an automobile, is located in the trunk of the automobile and is often referred to as a trunk spring. On the hinge fixed by the tail door spring, the tail box can be reliably supported after being opened through a certain angle, the spring is widely used on the car, the operation is labor-saving and quick, and the stop at any angle can be realized.

Current patent application number is 201721765516.0's chinese patent, has proposed a car tail-gate spring, including the spring body, spring body both sides are connected with the connecting plate No. one, and connecting plate one side has the connecting plate No. two through No. two spring coupling, and No. two connecting plate one side is provided with the fixed plate, is provided with a plurality of fixed blocks in the fixed plate, is provided with the recess on the fixed block, is provided with the screw thread post on the recess, screw thread post below is provided with the nut, screw thread post one end is connected with the swing handle.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the diameter of the second spring is small, the spring is in a bending state when the spring works, and bending moment and torque of the second spring positioned at the edge of the first connecting plate and the edge of the second connecting plate are larger, so that the second spring is easy to break, and the service life of the spring is short.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that a spring joint is easy to break, the application provides a compression spring for an automobile.

The application provides a compression spring adopts following technical scheme for car:

a compression spring for an automobile comprises a body, wherein connecting columns are fixedly connected to two ends of the body, mounting columns are arranged at the ends, away from the body, of the connecting columns, assembling blocks are fixedly connected to the ends, away from the connecting columns, of the mounting columns, the mounting columns are provided with inserting holes with one open ends, and the connecting columns are inserted into the inserting holes; the periphery wall fixedly connected with fixed block of spliced pole, the jack in the internal perisporium of opening part seted up with the draw-in groove of fixed block adaptation, the erection column in the internal perisporium of jack seted up with the ring channel of draw-in groove intercommunication, the erection column be provided with the fixed block in the fixed mounting of erection column circumference, the erection column is provided with and is used for the buffering the bolster of spliced pole.

By adopting the technical scheme, the body is arranged at the automobile trunk door through the assembling block, the fixing block is inserted into the clamping groove, the connecting column is rotated, the fixing block is rotated into the annular groove, the fixing block is fixed on the mounting column in the axis direction of the jack, the connecting column is inserted into the jack at the moment, the fixing block is fixed on the circumferential direction of the mounting column by the fixing piece, the fixing block cannot be rotated out of the annular groove, the two ends of the body are firmly connected through the connection between the fixing block and the mounting column, the spring failure caused by the fracture of the connection part of the two ends cannot occur, and the service life is longer; the bolster that sets up in the erection column further absorbs the produced instantaneous impact when trunk door switching, has further prolonged the life-span of body.

Optionally, the fixed block is provided with a through hole, the wall surface of the annular groove far away from one end of the clamping groove is provided with two threaded holes, the mounting column is close to the end surface of the connecting column and is provided with a connecting hole coaxial with the threaded holes, and the fixing piece is arranged to sequentially penetrate through the connecting hole, the through hole and the bolt in the threaded hole.

Through adopting above-mentioned technical scheme, the fixed block is pegged graft in the draw-in groove, rotates the spliced pole and makes through-hole on the fixed block coaxial with screw hole and connecting hole, screws up the screw rod in the screw hole again to realized fixing the fixed block in ring channel inside, made the spliced pole fixed, improved the joint strength between body and the mount pad.

Optionally, the buffer member is a buffer spring, the buffer spring is located in the jack, one end of the buffer spring abuts against the wall face of the jack far away from one end of the opening, and the other end of the buffer spring abuts against the end face of the jack in which the connecting column is inserted.

Through adopting above-mentioned technical scheme, when the trunk door is opening and closing in the twinkling of an eye, the body receives huge instantaneous impact, and buffer spring takes place deformation and absorbs instantaneous impact, has reduced the impact that the body received, has prolonged the life of body.

Optionally, the size of the annular groove in the axial direction of the insertion hole is larger than the thickness of the fixing block.

Through adopting above-mentioned technical scheme, when buffer spring takes place deformation, the fixed block can slide in the ring channel for buffer spring's buffering effect is better.

Optionally, one end of the body fixedly connected with the connecting column is perpendicular to the end face of the connecting column.

Through adopting above-mentioned technical scheme, when the body takes place to buckle, the perpendicular directional spliced pole of power that the body received has effectively reduced the atress of other directions in junction for the junction is difficult to be destroyed, has prolonged the life of body.

Optionally, a protective layer is disposed on the surface of the body.

By adopting the technical scheme, the protective layer can adopt an electroplating process to adhere metal chromium or metal cadmium on the surface of the body, so that the corrosion of the body can be prevented, the strength of the body can be improved, and the service life of the body is prolonged.

Optionally, the inner walls of the insertion hole and the annular groove are coated with a lubricating layer.

Through adopting above-mentioned technical scheme, the lubricant film can set up to the graphite layer, and the graphite layer is compared in the drier of lubricant film, can not spill over the trunk of making dirty, and the slip of fixed block and spliced pole is more smooth and easy under the lubrication action, has reduced unnecessary wearing and tearing, has prolonged life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting column is inserted into the mounting column, and the fixing block is fixed in the annular groove through the screw, so that the two ends of the body are fixedly connected with the assembling block, the stability of the joint of the two ends of the body is improved, the body is not easy to break and lose efficacy, the product quality is improved, and the service life of the body is prolonged;

2. absorb instantaneous impact through set up buffer spring in the jack for be connected between the both ends of body and the assembly piece more stable in the use, make the body difficult impaired, prolonged the life of body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an exploded schematic view of an embodiment of the present application.

Reference numerals: 1. a body; 2. connecting columns; 3. mounting a column; 4. assembling the block; 5. a jack; 6. a fixed block; 7. a card slot; 8. an annular groove; 9. a screw; 10. a through hole; 11. connecting holes; 12. a buffer spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses compression spring for car. Referring to fig. 1, compression spring includes body 1 for the car, and the equal fixedly connected with spliced pole 2 in both ends of body 1, body 1 and spliced pole 2 fixed connection's one end perpendicular to spliced pole 2's terminal surface, when body 1 takes place to buckle, the perpendicular directional spliced pole 2 of power that body 1 received has effectively reduced the atress of other directions of junction for the junction is difficult to be destroyed, has prolonged body 1's life.

The surface of the body 1 is provided with the protective layer, the protective layer can adopt an electroplating process to adhere metal chromium or metal cadmium to the surface of the body 1, not only can the body 1 be prevented from being rusted, but also the strength of the body 1 can be improved, and the service life of the body 1 is prolonged.

Referring to fig. 2, the one end that body 1 was kept away from to spliced pole 2 is provided with erection column 3, and one end fixedly connected with assembly piece 4 of spliced pole 2 is kept away from to erection column 3, and one end open-ended jack 5 has been seted up to erection column 3, and spliced pole 2 pegs graft in jack 5. In being fixed in jack 5 with spliced pole 2, two fixed blocks 6 of the even fixedly connected with of periphery wall of spliced pole 2, jack 5 in the internal perisporium of opening part offer with the draw-in groove 7 of 6 adaptations of fixed block, ring channel 8 with draw-in groove 7 intercommunication is offered to erection column 3 in 5 internal perisporium of jack, swivelling joint pole 2 makes in 6 screw in ring channel 8 of fixed block, fixed block 6 is fixed in erection column 3 on 5 axis directions of jack.

Referring to fig. 2, in order to allow the fixing block 6 to be fixed in the circumferential direction of the mounting post 3, the mounting post 3 is provided with a fixing member provided as a screw 9. Through-hole 10 that runs through is seted up to fixed block 6, evenly seted up two screw holes on the one end wall that draw-in groove 7 was kept away from to ring channel 8, and the terminal surface that erection column 3 is close to spliced pole 2 is seted up with the coaxial connecting hole 11 of screw hole, thereby screw rod 9 once passes connecting hole 11 and through-hole 10 and threaded connection in the screw hole fixed block 6. Through the fixed action of screw rod 9 and ring channel 8 for closely fixed between body 1 and the assembly piece 4, make the joint strength at body 1 both ends higher, prolonged body 1's life.

Referring to fig. 2, be provided with the bolster that is used for the buffering between erection column 3 and spliced pole 2, the bolster sets up to buffer spring 12, and buffer spring 12 is located in jack 5, the wall butt of opening one end is kept away from with jack 5 to buffer spring 12's one end, and the other end is pegged graft in the terminal surface butt of jack 5 one end with spliced pole 2. The ring channel 8 is greater than the thickness of fixed block 6 in 5 ascending sizes of axis directions of jack, the trunk door is opening and the instant of closing, body 1 receives huge instantaneous impact, fixed block 6 slides in ring channel 8, spliced pole 2 slides in jack 5, buffer spring 12 takes place deformation and absorbs instantaneous impact, the impact that body 1 received has been reduced, make the connection at 1 both ends of body more stable, body 1's life has been prolonged.

The inner walls of the jack 5 and the annular groove 8 are coated with lubricating layers, the sliding layers can be arranged into graphite layers, the graphite layers are dry compared with the lubricating oil layers, the trunk cannot be polluted due to overflow, the sliding of the fixing block 6 and the connecting column 2 under the lubricating effect is smoother, unnecessary abrasion is reduced, and the service life is prolonged.

The implementation principle of the compression spring for the automobile is as follows: the fixing block 6 is clamped in the clamping groove 7, the connecting column 2 is rotated to transfer the fixing block 6 into the annular groove 8, and the screw 9 is screwed into the fixing block 6 after the through hole 10 on the fixing block 6 is coaxially aligned with the connecting hole 11 on the mounting column 3; when the shock absorber is in a working state, the body 1 is bent, the buffer spring deforms to absorb part of stress, the buffer spring 12 deforms to absorb instantaneous shock, the shock to the body 1 is reduced, and the service life is prolonged

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A compression spring for an automobile, characterized in that: the fixing device comprises a body (1), connecting columns (2) are fixedly connected to two ends of the body (1), mounting columns (3) are arranged at one ends, far away from the body (1), of the connecting columns (2), assembling blocks (4) are fixedly connected to one ends, far away from the connecting columns (2), of the mounting columns (3), inserting holes (5) with one open ends are formed in the mounting columns (3), and the connecting columns (2) are inserted into the inserting holes (5); periphery wall fixedly connected with fixed block (6) of spliced pole (2), jack (5) in the internal perisporium of opening part seted up with draw-in groove (7) of fixed block (6) adaptation, erection column (3) in jack (5) internal perisporium seted up with ring channel (8) of draw-in groove (7) intercommunication, erection column (3) be provided with fixed block (6) in the fixed mounting of erection column (3) circumference, erection column (3) are provided with and are used for the buffering the bolster of spliced pole (2).

2. The compression spring for automobile as claimed in claim 1, wherein: through-hole (10) that runs through are seted up in fixed block (6), ring channel (8) are kept away from two screw holes have been seted up to the wall of draw-in groove (7) one end, erection column (3) are close to the terminal surface of spliced pole (2) seted up with the coaxial connecting hole of screw hole (11), the mounting sets up to passing in proper order connecting hole (11) through-hole (10) and threaded connection in screw rod (9) of screw hole.

3. The compression spring for automobile as claimed in claim 1, wherein: the bolster sets up to buffer spring (12), buffer spring (12) are located in jack (5), the one end of buffer spring (12) with jack (5) keep away from the wall butt of opening one end, the other end with spliced pole (2) peg graft in the terminal surface butt of jack (5) one end.

4. A compression spring for an automobile according to claim 3, wherein: the size of the annular groove (8) in the axial direction of the jack (5) is larger than the thickness of the fixing block (6).

5. The compression spring for automobile as claimed in claim 1, wherein: one end of the body (1) fixedly connected with the connecting column (2) is perpendicular to the end face of the connecting column (2).

6. The compression spring for automobile as claimed in claim 1, wherein: the surface of the body (1) is provided with a protective layer.

7. A compression spring for an automobile according to claim 3, wherein: and the inner walls of the jack (5) and the annular groove (8) are coated with lubricating layers.